Home / 30,100.04-45,153.26-9,325.16

Finding the Fourth Proportional to 30,100.04, 45,153.26 and 9,325.16

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Solution

The fourth proportional to 30,100.04, 45,153.26 and 9,325.16 is: 13,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.04 : 45,153.26 = 9,325.16 : x
  2. Step 2: Convert to fraction form
    30,100.04/45,153.26 = 9,325.16/x
  3. Step 3: Cross multiply
    30,100.04x = 45,153.26 × 9,325.16
  4. Step 4: Simplify right side
    30,100.04x = 421,061,374.02
  5. Step 5: Solve for x
    x = 421,061,374.02/30,100.04
  6. Step 6: Final answer
    x = 13,988.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.